2440 Educatio is a Florian asteroid from the inner regions of the asteroid belt, approximately 6.6 kilometers in diameter. The possibly elongated S-type asteroid has an exceptionally long rotation period of 1561 hours and is one of the slowest rotators known to exist. It was discovered on 7 November 1978, by American astronomers Eleanor Helin and Schelte Bus at the Palomar Observatory in California, and later named "Educatio", the Latin word for Education.